Rack



FIG. 1 is a front and top perspective view of a first embodiment of a rack, showing my new design;

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is atop view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a front and top perspective view of a second embodiment of the rack;

FIG. 10 is a rear and bottom perspective view thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a left side view thereof;

FIG. 14 is a right side view thereof;

FIG. 15 is a top view thereof; and,

FIG. 16 is a bottom view thereof.

The broken lines in the figures illustrate portions of the rack that form no part of the claimed design. 

CLAIM The ornamental design for a rack, as shown and described. 